Post List

  • October 19, 2010
  • 11:52 PM

How Prozac works

by Shaheen Lakhan in Brain Blogger

The tightly regulated balance between secretion and removal of neurotransmitters is not functioning properly in certain mental conditions like bipolar disorder, obsessive-compulsive disorder, anxiety, and depression. Neurotransmitters are signaling molecules used to transmit messages between neurons (nerve cells) in the brain. Serotonin is one of the neurotransmitters affected in depression and similar disorders. The most common class of [...]... Read more »

Baudry A, Mouillet-Richard S, Schneider B, Launay JM, & Kellermann O. (2010) miR-16 targets the serotonin transporter: a new facet for adaptive responses to antidepressants. Science (New York, N.Y.), 329(5998), 1537-41. PMID: 20847275  

  • October 19, 2010
  • 11:28 PM

The Wednesday Post (20/10/2010)

by thomastu in Disease Prone

Love is the drug and I need to score It’s long been known that love acts as an intoxicant. As I look through my iTunes playlist, I find Fiona Apple telling me she wants me like a drug, Roxy Music needing to score some love, a girlshapedlovedrug messing with Gomez’s mind, and Cypress Hill loving [...]... Read more »

  • October 19, 2010
  • 09:28 PM

Here We Go Again: BDNF Gating of Cocaine Use

by Allison in Dormivigilia

Scientists have characterized specific changes in dopamine receptor signaling accompanied by increased cocaine-seeking discovered by knocking an important component of the BDNF signaling cascade, ... Read more »

Lobo MK, Covington HE 3rd, Chaudhury D, Friedman AK, Sun H, Damez-Werno D, Dietz DM, Zaman S, Koo JW, Kennedy PJ.... (2010) Cell type-specific loss of BDNF signaling mimics optogenetic control of cocaine reward. Science (New York, N.Y.), 330(6002), 385-90. PMID: 20947769  

  • October 19, 2010
  • 05:33 PM

Evolution: The Curious Case of Dogs [Observations of a Nerd]

by Christie Wilcox in Food Matters

I'm going to be coming out with a new post in my Evolution series later this week, but in the meantime, for those of you haven't seen them, I'm reposting my first two Evolution posts, beginning with the one that started the series: The Curious Case of Dogs.

Man's best friend is much more than a household companion - for centuries, artificial selection in dogs has made them prime examples of the possibilities of evolution. A century and a half ago, Charles Darwin recognized how the incredibly di........ Read more »

Akey, J., Ruhe, A., Akey, D., Wong, A., Connelly, C., Madeoy, J., Nicholas, T., & Neff, M. (2010) Tracking footprints of artificial selection in the dog genome. Proceedings of the National Academy of Sciences, 107(3), 1160-1165. DOI: 10.1073/pnas.0909918107  

  • October 19, 2010
  • 05:24 PM

The pandemic Influenza keeps reassorting

by Atila Iamarino in Influenza A (H1N1) Blog – English

After more than a year of the Influenza A H1N1 episode, the virus is still being monitored all over the world, both the flu cases and genetics diversity of the virus. Following up the genetic diversity helps to understand if the vaccine is still efficient and helps identifying the possible appearance of new strains.
In Hong [...]... Read more »

Vijaykrishna, D., Poon, L., Zhu, H., Ma, S., Li, O., Cheung, C., Smith, G., Peiris, J., & Guan, Y. (2010) Reassortment of Pandemic H1N1/2009 Influenza A Virus in Swine. Science, 328(5985), 1529-1529. DOI: 10.1126/science.1189132  

  • October 19, 2010
  • 05:18 PM

Referential labelling in Diana Monkeys

by Hannah Little in A Replicated Typo 2.0

Ok, so I was going to write an essay for my Origins of Language module on this but then got distracted by syntax (again) so I thought I’d put my thoughts in a blog post just so they don’t go to waste.

Diana monkeys, like vervet monkeys, use alarm calls to communicate the presence of a predator . . . → Read More: Referential labelling in Diana Monkeys... Read more »

Zuberbuhler, K. (2000) Interspecies semantic communication in two forest primates. Proceedings of the Royal Society B: Biological Sciences, 267(1444), 713-718. DOI: 10.1098/rspb.2000.1061  

  • October 19, 2010
  • 05:09 PM

The Illusion of the Curveball

by Brian Mossop in The Decision Tree

My latest post is up at Wired Playbook, describing the optical illusion we commonly refer to as the curveball: The average curveball hurls toward a batter at around 75 mph, accentuated by a 1500 rpm spin. From the moment the ball leaves the pitcher’s hand, it travels a smooth, consistent, parabolic arc. There’s no disjointed [...]... Read more »

  • October 19, 2010
  • 05:02 PM

How does your garden grow?

by microbialmodus in Microbial Modus

For a leaf-cutter ant, the answer to that question is not so much “silver bells and cockle-shells” as it is “one nutritious fungus and a variety of beneficial bacteria.”  It may not exactly be the stuff of nursery rhymes, but it’s certainly a fascinating three-way mutualism that makes for a great lesson in microbial ecology, [...]... Read more »

  • October 19, 2010
  • 04:19 PM

Migrant identity and politicization

by Kris-Stella in Coffee Shop Philosophy

What is the relationship between national identity and politicization? In an era of widespread concerns over terrorism and the integration of minorities in Western societies, this is a relevant question. If one's identification with the new home country increases, what is the consequence for levels and types of political activity? Bernd Simon and Olga Grabow have published some interesting new research on the topic. Looking at Russian migrants in Germany (replicating a design that has previously........ Read more »

  • October 19, 2010
  • 02:57 PM

Bupropion for the Treatment of Sexual Dysfunction

by William Yates, M.D. in Brain Posts

3D Model of Chemical Structure for BupropionBupropion is a drug approved in the United States for the treatment of depression (Wellbutrin) and for smoking cessation (Zyban).  In contrast to the selective serotonin reuptake inhibitor (SSRI) class of drugs, i.e. Prozac, bupropion appears to have a predominant effect on blocking the reuptake of dopamine.  It appears to also be a nicotinic acetylcholine receptor antagonist possibly contributing to it’s effect on nicotine withdrawal sympt........ Read more »

  • October 19, 2010
  • 12:29 PM

Boom boom boom, you knock me out right off of my feet…

by Rogue in Into Oblivion

I really like this song! For those who do not know (shame on you!), it is John Lee Hoocker, one of the best bluesmen ever. I could keep on talking about blues, but my guess is it is far better to let you listen to it So, let me go into something close to this [...]... Read more »

  • October 19, 2010
  • 12:25 PM

The Ames Room and the Bower Bird

by Andrew Wilson in Notes from Two Scientific Psychologists

Research showing how bower-birds exploit perspective structure when building their bowers demonstrates why it's important to consider the role of perception when explaining how humans respond to, say, the Ames Room... Read more »

  • October 19, 2010
  • 12:00 PM

Emperor Tamarin

by beredim in Stem Cells Freak

pparently this strange looking primate took its name from a German emperor named Wilhem, due to their "remarkable" resemblance. At first this name was used a joke, but over the course of time it became its official common name... Read more »

  • October 19, 2010
  • 12:00 PM

Emperor Tamarin

by beredim in Strange Animals

pparently this strange looking primate took its name from a German emperor named Wilhem, due to their "remarkable" resemblance. At first this name was used a joke, but over the course of time it became its official common name... Read more »

  • October 19, 2010
  • 10:55 AM

An Oldie but a Goodie: Darwin’s ‘Survival of the Fittest’ meets the irresponsible Homo sapiens

by Dr. Carin Bondar in Dr. Carin Bondar - Biologist With a Twist

After writing this post back in April, I had the idea to send one of my video cameras to Jan and Ulrika in Finland so that they could get me some footage of this work. Now that I’m working on creating a ‘BIOMUSINGS‘ episode around it, I thought I’d remind you of this fantastic [...]... Read more »

  • October 19, 2010
  • 10:30 AM

Evasive Maneuvers: Not as Easy with a Prosthetic Leg

by Psychology 379 bloggers in Cognition & the Arts

Thanks to ongoing advances in the design of prosthetic limbs, amputees are attaining progressively greater degrees of physical freedom. The videos presented below show two patients with trans-tibial (below the knee) amputations: the first patient is running, and the second is riding a bicycle.... Read more »

  • October 19, 2010
  • 09:53 AM

If BPA exposure is so low, why should we be worried?

by Melinda Moyer in Body Politic

In response to my earlier post about bisphenol A in soda and beer, reader Skeptic had an insightful comment:
As someone involved in environmental health myself, I have been following the BPA controversy from north of the 49th parallel with some interest. I have often wondered whether the actual data supports regulation of BPA. The first study you cite, for example, hides this line in its discussion: “Thus, median and 95th percentile intake estimates were approximately two to three orders of ma........ Read more »

  • October 19, 2010
  • 09:52 AM

Twenty two percent (22%) of kids experience severe impairment from a psychiatric disorder by age 18

by Nestor Lopez-Duran PhD in Child-Psych

Psychiatric disorders in children and adolescents II: What percentage of affected kids are severely impaired? Today is the second of a series of Brief posts about the results of the latest National Comorbidity Survey (NCS). The NCS is a large nationally representative study of over 10,000 adolescents aged 13 to 18. The study aims to [...]... Read more »

Merikangas KR, He JP, Burstein M, Swanson SA, Avenevoli S, Cui L, Benjet C, Georgiades K, & Swendsen J. (2010) Lifetime prevalence of mental disorders in U.S. adolescents: results from the National Comorbidity Survey Replication--Adolescent Supplement (NCS-A). Journal of the American Academy of Child and Adolescent Psychiatry, 49(10), 980-9. PMID: 20855043  

  • October 19, 2010
  • 09:05 AM

Butterfly, heal thyself! (Or thy kids, anyway.)

by Jeremy Yoder in Denim and Tweed

Using specific compounds to cure disease seems like a fairly advanced behavior—it's necessary to recognize that you're sick, then know what to take to cure yourself, then go out and find it. You might be surprised to learn, then, that one of the best examples of self-medication behavior in a non-human animal isn't another primate species, or even another vertebrate. It's none other than monarch butterflies. Female monarchs infected with a particular parasite prefer to lay eggs on host plants t........ Read more »

  • October 19, 2010
  • 08:58 AM

Genetics, Personalized Medicine, and Behavioral Intervention

by APS Daily Observations in Daily Observations

Personalized medicine — improving the fit between an individual patient and treatment plan — has become a major research focus in fields from cancer treatment to the psychopharmacology of mental ... Read more »

Reiss, D. (2010) Introduction to the Special Issue: Genetics, Personalized Medicine, and Behavioral Intervention—Can This Combination Improve Patient Care? . Perspectives on Psychological Science. info:/10.1177/1745691610383514

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